KNOW YOUR HERBS:

Herbal supplements can sometimes pack an...

August 21, 2000

KNOW YOUR HERBS: Herbal supplements can sometimes pack an unneeded punch. For instance, St. John's wort can increase sensitivity to bright lights and susceptibility to sunburn. Moreover, it can aggravate blood pressure when combined with certain other drugs.

WHAT YOU SHOULD KNOW ABOUT GINGKO: The herb touted for improving memory also can amplify the effects of blood-thinning drugs. It can also worsen headaches in migraine-sensitive individuals.

ECHINACEA UPDATE: While it has been suggested that this herb boosts the immune system, it does have its side effects. Most notably, it can aggravate autoimmune disorders, and people with hay fever may have allergic reactions.